General Automotive Bulletins

HEUI Injector Problems Explained: Symptoms, Cau...

Unlike common rail injectors, HEUI injectors depend on both fuel pressure and high-pressure engine oil to operate. That means a truck can act like it has bad injectors even when...

HEUI Injector Problems Explained: Symptoms, Cau...

Unlike common rail injectors, HEUI injectors depend on both fuel pressure and high-pressure engine oil to operate. That means a truck can act like it has bad injectors even when...

CP3 Injection Pump Failure: Symptoms Every Dies...

When a CP3 pump starts to fail, the symptoms can show up in several different ways. Your truck may become hard to start, lose power, smoke more than normal, throw...

CP3 Injection Pump Failure: Symptoms Every Dies...

When a CP3 pump starts to fail, the symptoms can show up in several different ways. Your truck may become hard to start, lose power, smoke more than normal, throw...

Introducing Work Horse Products: Premium Rebuil...

Work Horse products are designed for diesel owners who need dependable performance without paying unnecessary dealership prices. Whether you are maintaining a Power Stroke, Cummins, Duramax, IDI, agricultural engine, or...

Introducing Work Horse Products: Premium Rebuil...

Work Horse products are designed for diesel owners who need dependable performance without paying unnecessary dealership prices. Whether you are maintaining a Power Stroke, Cummins, Duramax, IDI, agricultural engine, or...

Glow Plug Bypass Kit Instructions

This guide helps diesel owners by providing clear, step-by-step instructions for installing a manual glow plug switch. Proper installation of the switch allows for more reliable control of the glow...

Glow Plug Bypass Kit Instructions

This guide helps diesel owners by providing clear, step-by-step instructions for installing a manual glow plug switch. Proper installation of the switch allows for more reliable control of the glow...

Stanadyne DB2 and DB4 Pump Removal and Installa...

"All Stanadyne DB4 and most DB2 injection pumps will have a retained drive shaft ( the shaft stays in the pump when the pump is removed from engine). Clean the...

Stanadyne DB2 and DB4 Pump Removal and Installa...

"All Stanadyne DB4 and most DB2 injection pumps will have a retained drive shaft ( the shaft stays in the pump when the pump is removed from engine). Clean the...

Instructions for Increasing Fuel Delivery on a ...

This procedure is to be done for testing procedures only. Never alter the calibration of a fuel injection system with verifying the calibration on a certified test bench.

Instructions for Increasing Fuel Delivery on a ...

This procedure is to be done for testing procedures only. Never alter the calibration of a fuel injection system with verifying the calibration on a certified test bench.